Function utf8CaseInsensitiveFindAPI

javascript/lib.c:119–158

}

napi_value utf8CaseInsensitiveFindAPI(napi_env env, napi_callback_info info) {
    size_t argc = 3;
    napi_value args[3];
    napi_get_cb_info(env, info, &argc, args, NULL, NULL);

    if (argc < 2) {
        napi_throw_error(env, NULL,
                         "utf8CaseInsensitiveFind(haystack, needle, validate?) expects at least 2 arguments");
        return NULL;
    }

    void *haystack_data, *needle_data;
    size_t haystack_length, needle_length;
    napi_status status = napi_get_buffer_info(env, args[0], &haystack_data, &haystack_length);
    if (status != napi_ok) {
        napi_throw_error(env, NULL, "First argument must be a Buffer");
        return NULL;
    }
    status = napi_get_buffer_info(env, args[1], &needle_data, &needle_length);
    if (status != napi_ok) {
        napi_throw_error(env, NULL, "Second argument must be a Buffer");
        return NULL;
    }

    bool validate = false;
    if (argc > 2) { napi_get_value_bool(env, args[2], &validate); }
    if (validate && (sz_utf8_valid((sz_cptr_t)haystack_data, haystack_length) == sz_false_k ||
                     sz_utf8_valid((sz_cptr_t)needle_data, needle_length) == sz_false_k)) {
        napi_throw_error(env, NULL, "Input is not valid UTF-8");
        return NULL;
    }

    sz_utf8_case_insensitive_needle_metadata_t metadata = {0};
    sz_size_t matched_length = 0;
    sz_cptr_t match = sz_utf8_case_insensitive_find((sz_cptr_t)haystack_data, haystack_length, (sz_cptr_t)needle_data,
                                                    needle_length, &metadata, &matched_length);

    if (!match) return makeFindResultObject(env, -1, 0);
    return makeFindResultObject(env, (int64_t)(match - (sz_cptr_t)haystack_data), (uint64_t)matched_length);
}

typedef struct {
    sz_u8_t *needle_data;